 //*************************************************
 // MultiSphere.java     Author:20172323wyh
 //*************************************************
 public class MultiSphere
 {
    public static void main(String[] args)
    {
       Sphere sphere1, sphere2;

       sphere1 = new Sphere();
       sphere2 = new Sphere();

       sphere1.getDiameter();
       sphere1.SurfaceArea();
       sphere1.Volume();
       sphere2.setDiameter(2);
       sphere2.SurfaceArea();
       sphere2.Volume();

       System.out.println();
       System.out.println(sphere1);
       System.out.println(sphere2);
    }
 }
       

